TypeScript iconv-lite.decode函数代码示例

  router.post('/import/csv', upload.single('csv'), async (req, res) => {
    const storage = botScopedStorage.get(req.params.botId)
    const config = await bp.config.getModuleConfigForBot('qna', req.params.botId)

    const uploadStatusId = nanoid()
    res.end(uploadStatusId)

    updateUploadStatus(uploadStatusId, 'Deleting existing questions')
    if (yn(req.body.isReplace)) {
      const questions = await storage.fetchAllQuestions()

      const statusCb = processedCount =>
        updateUploadStatus(uploadStatusId, `Deleted ${processedCount}/${questions.length} questions`)
      await storage.delete(questions.map(({ id }) => id), statusCb)
    }

    try {
      const questions = iconv.decode(req.file.buffer, config.exportCsvEncoding)
      const params = {
        storage,
        config,
        format: 'csv',
        statusCallback: updateUploadStatus,
        uploadStatusId
      }
      await importQuestions(questions, params)

      updateUploadStatus(uploadStatusId, 'Completed')
    } catch (e) {
      bp.logger.error('Upload error :', e)
      updateUploadStatus(uploadStatusId, `Error: ${e.message}`)
    }
  })

  public async getNewsContent(newsURL: string): Promise<NewsContent> {
    try {
      await delay(5000);
      const response = await request({
        uri: newsURL,
        headers: commonHeaders,
        encoding: null,
      });

      let $ = cheerio.load(response);
      $('script').remove();
      const encodedResponse = iconv.decode(response, $('meta[charset]').attr('charset')).toString();
      $ = cheerio.load(encodedResponse);

      const newsTitle = $('meta[property=\'og:title\']').attr('content');
      const newsContent = $('#articeBody, #newsEndContents, #articleBodyContents');

      return {
        title: newsTitle,
        content: newsContent.html(),
        plain_text: newsContent.text(),
        press: $('.press_logo img, #pressLogo img').attr('alt'),
        link: newsURL,
      };
    } catch (err) {
      logger.error(err);
    }
  }

 }).then(function(result): Buffer {
     if (encoding != null && encoding != "") {
         var decoded = iconv.decode(result.stdout, encoding);
         return decoded;
     }
     return result.stdout;
 }).fail(function(error) {

		testFixture.forEach(set => {
			console.log('File:', set.file);
			console.log('Exists:', fs.existsSync(set.file));
			if (fs.existsSync(set.file)) {
				let data = fs.readFileSync(set.file);
				data = iconv.decode(data, "ISO-8859-1");
				let parse = new ParseCSV(data);
				let nice = parse.parseAndNormalize();

				if (nice.length != set.rows) {
					console.log('parsed', nice.length, 'rows, expecting', set.rows);
					console.log(nice);
					throw new Error('number of rows is not the same');
				}

				let row0 = this.pluckImportant(nice[0]);
				let row1 = this.pluckImportant(nice[1]);

				// if (_.isEqual(row0, set.result[0]) && _.isEqual(row1, set.result[1])) {
				if (JSON.stringify(row0) == JSON.stringify(set.result[0])
					&& JSON.stringify(row1) == JSON.stringify(set.result[1])) {
					console.log('OK');
				} else {
					console.error('Parsed file does not match');
					console.log(JSON.stringify(row0, null, 4));
					console.log(JSON.stringify(set.result[0], null, 4));
					console.log(JSON.stringify(row1, null, 4));
					console.log(JSON.stringify(set.result[1], null, 4));
					throw new Error(set.file + ' test failed');
				}
			}
		});

async  function  sendPromise(){

    let data   =  await send("http://bcy.net/coser/");
    let ddd = await zibPromise(data);
     data = iconv.decode(ddd, 'utf-8');
    console.log(data);
}

(() => {
	// Convert from an encoded buffer to js string.
	const str: string = iconv.decode(new Buffer([0x68, 0x65, 0x6c, 0x6c, 0x6f]), 'win1251');

	// Convert from js string to an encoded buffer.
	const buf: Buffer = iconv.encode("Sample input string", 'win1251');

	// Check if encoding is supported
	const exists: boolean = iconv.encodingExists("us-ascii");
})();

        return new Promise<vscode.Hover>((resolve) => {
            const charEncoding = vscode.workspace.getConfiguration('hexdump').get<string>('charEncoding');
            const littleEndian = vscode.workspace.getConfiguration('hexdump').get<boolean>('littleEndian');
            const showInspector = vscode.workspace.getConfiguration('hexdump').get<boolean>('showInspector');

            if (!showInspector) {
                return resolve();
            }
            let offset = getOffset(position);
            if (typeof offset == 'undefined') {
                return resolve();
            }

            var content: string = 'Hex Inspector';
            content += littleEndian ? ' Little Endian\n' : ' Big Endian\n';
            content += 'Address: 0x' + sprintf('%08X', offset) + '\n';

            let sel = vscode.window.activeTextEditor.selection;
            if (sel.contains(position)) {
                let start = getOffset(sel.start);
                let end = getOffset(sel.end);
                content += 'Selection: 0x' + sprintf('%08X', start) 
                content += ' - 0x' + sprintf('%08X', end) + ' \n';
            }

            let buf = getBuffer(document.uri);
            if (typeof buf == 'undefined') {
                return resolve();
            }

            let arrbuf = toArrayBuffer(buf, offset, 8);
            var view = new DataView(arrbuf);

            content += 'Int8:   ' + sprintf('%12d', view.getInt8(0)) + '\t';
            content += 'Uint8:  ' + sprintf('%12d', view.getUint8(0)) + ' \n';
            content += 'Int16:  ' + sprintf('%12d', view.getInt16(0, littleEndian)) + '\t';
            content += 'Uint16: ' + sprintf('%12d', view.getUint16(0, littleEndian)) + ' \n';
            content += 'Int32:  ' + sprintf('%12d', view.getInt32(0, littleEndian)) + '\t';
            content += 'Uint32: ' + sprintf('%12d', view.getUint32(0, littleEndian)) + ' \n';
            content += 'Int64:  ' + Long.fromBytes(new Uint8Array(arrbuf), true, littleEndian).toString() + ' \n';
            content += 'Uint64: ' + Long.fromBytes(new Uint8Array(arrbuf), false, littleEndian).toString() + ' \n';
            content += 'Float32: ' + sprintf('%f', view.getFloat32(0, littleEndian)) + ' \n';
            content += 'Float64: ' + sprintf('%f', view.getFloat64(0, littleEndian)) + ' \n';
            content += '\n';

            if (sel.contains(position)) {
                let start = getOffset(sel.start);
                let end = getOffset(sel.end) + 1;
                content += 'String (' + charEncoding + '):\n';
                let conv = iconvLite.decode(buf.slice(start, end), charEncoding);
                content += conv.toString();
            }

            return resolve(new vscode.Hover( {language: 'hexdump', value: content} )) ;
        });

 private _handleDataChunk(data: Buffer) {
     // Anatomy of packets: [data length] [NULL] [xml] [NULL]
     // are we waiting for the data length or for the response?
     if (this._parsingState === ParsingState.DataLength) {
         // does data contain a NULL byte?
         const nullByteIndex = data.indexOf(0);
         if (nullByteIndex !== -1) {
             // YES -> we received the data length and are ready to receive the response
             this._dataLength = parseInt(iconv.decode(data.slice(0, nullByteIndex), ENCODING));
             // reset buffered chunks
             this._chunks = [];
             this._chunksDataLength = 0;
             // switch to response parsing state
             this._parsingState = ParsingState.Response;
             // if data contains more info (except the NULL byte)
             if (data.length > nullByteIndex + 1) {
                 // handle the rest of the packet as part of the response
                 const rest = data.slice(nullByteIndex + 1);
                 this._handleDataChunk(rest);
             }
         } else {
             // NO -> this is only part of the data length. We wait for the next data event
             this._chunks.push(data);
             this._chunksDataLength += data.length;
         }
     } else if (this._parsingState === ParsingState.Response) {
         // does the new data together with the buffered data add up to the data length?
         if (this._chunksDataLength + data.length >= this._dataLength) {
             // YES -> we received the whole response
             // append the last piece of the response
             const lastResponsePiece = data.slice(0, this._dataLength - this._chunksDataLength);
             this._chunks.push(lastResponsePiece);
             this._chunksDataLength += data.length;
             const response = Buffer.concat(this._chunks, this._chunksDataLength);
             // call response handler
             this.handleResponse(parseResponse(response));
             // reset buffer
             this._chunks = [];
             this._chunksDataLength = 0;
             // switch to data length parsing state
             this._parsingState = ParsingState.DataLength;
             // if data contains more info (except the NULL byte)
             if (data.length > lastResponsePiece.length + 1) {
                 // handle the rest of the packet (after the NULL byte) as data length
                 const rest = data.slice(lastResponsePiece.length + 1);
                 this._handleDataChunk(rest);
             }
         } else {
             // NO -> this is not the whole response yet. We buffer it and wait for the next data event.
             this._chunks.push(data);
             this._chunksDataLength += data.length;
         }
     }
 }

 decode(
     data: DataView,
     byteOffset: number,
     byteLength: number,
     encoding: string,
 ): string {
     const buffer = Buffer.from(
         data.buffer,
         data.byteOffset + byteOffset,
         byteLength,
     )
     return decode(buffer, encoding)
 }

 rollbar.invoke('Processing "data" event from proc stdout', {data, command, args}, () => {
   const str = iconv.decode(new Buffer(data), encoding);
   const lines = str.split('\n').map(l => l.endsWith('\r') ? l.substr(0, l.length - 1) : l);
   while (lines.length > 1) {
     line_acc += lines[0];
     if (outputConsumer) {
       outputConsumer.output(line_acc);
     }
     line_acc = '';
     // Erase the first line from the list
     lines.splice(0, 1);
   }
   console.assert(lines.length, 'Invalid lines', JSON.stringify(lines));
   line_acc += lines[0];
   stdout_acc += str;
 });